Home / 26,927.35-40,390.44-7,205.90

Finding the Fourth Proportional to 26,927.35, 40,390.44 and 7,205.90

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Solution

The fourth proportional to 26,927.35, 40,390.44 and 7,205.90 is: 10,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.35 : 40,390.44 = 7,205.90 : x
  2. Step 2: Convert to fraction form
    26,927.35/40,390.44 = 7,205.90/x
  3. Step 3: Cross multiply
    26,927.35x = 40,390.44 × 7,205.90
  4. Step 4: Simplify right side
    26,927.35x = 291,049,471.60
  5. Step 5: Solve for x
    x = 291,049,471.60/26,927.35
  6. Step 6: Final answer
    x = 10,808.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.